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Diffstat (limited to 'embeddedobj/source/msole/olevisual.cxx')
| -rw-r--r-- | embeddedobj/source/msole/olevisual.cxx | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/embeddedobj/source/msole/olevisual.cxx b/embeddedobj/source/msole/olevisual.cxx new file mode 100644 index 000000000000..84461caa7ee3 --- /dev/null +++ b/embeddedobj/source/msole/olevisual.cxx @@ -0,0 +1,444 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_embeddedobj.hxx" +#include <com/sun/star/lang/DisposedException.hpp> +#include <com/sun/star/embed/EmbedStates.hpp> +#include <com/sun/star/embed/EmbedMapUnits.hpp> +#include <com/sun/star/embed/EmbedMisc.hpp> +#include <com/sun/star/embed/Aspects.hpp> +#include <com/sun/star/io/XSeekable.hpp> +#include <com/sun/star/embed/NoVisualAreaSizeException.hpp> + +#include <rtl/logfile.hxx> + +#include <oleembobj.hxx> +#include <olecomponent.hxx> +#include <comphelper/mimeconfighelper.hxx> +#include <comphelper/seqstream.hxx> + +using namespace ::com::sun::star; +using namespace ::comphelper; + +embed::VisualRepresentation OleEmbeddedObject::GetVisualRepresentationInNativeFormat_Impl( + const uno::Reference< io::XStream > xCachedVisRepr ) + throw ( uno::Exception ) +{ + embed::VisualRepresentation aVisualRepr; + + // TODO: detect the format in the future for now use workaround + uno::Reference< io::XInputStream > xInStream = xCachedVisRepr->getInputStream(); + uno::Reference< io::XSeekable > xSeekable( xCachedVisRepr, uno::UNO_QUERY ); + if ( !xInStream.is() || !xSeekable.is() ) + throw uno::RuntimeException(); + + uno::Sequence< sal_Int8 > aSeq( 2 ); + xInStream->readBytes( aSeq, 2 ); + xSeekable->seek( 0 ); + if ( aSeq.getLength() == 2 && aSeq[0] == 'B' && aSeq[1] == 'M' ) + { + // it's a bitmap + aVisualRepr.Flavor = datatransfer::DataFlavor( + ::rtl::OUString::createFromAscii( "application/x-openoffice-bitmap;windows_formatname=\"Bitmap\"" ), + ::rtl::OUString::createFromAscii( "Bitmap" ), + ::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) ); + } + else + { + // it's a metafile + aVisualRepr.Flavor = datatransfer::DataFlavor( + ::rtl::OUString::createFromAscii( "application/x-openoffice-wmf;windows_formatname=\"Image WMF\"" ), + ::rtl::OUString::createFromAscii( "Windows Metafile" ), + ::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) ); + } + + sal_Int32 nStreamLength = (sal_Int32)xSeekable->getLength(); + uno::Sequence< sal_Int8 > aRepresent( nStreamLength ); + xInStream->readBytes( aRepresent, nStreamLength ); + aVisualRepr.Data <<= aRepresent; + + return aVisualRepr; +} + +void SAL_CALL OleEmbeddedObject::setVisualAreaSize( sal_Int64 nAspect, const awt::Size& aSize ) + throw ( lang::IllegalArgumentException, + embed::WrongStateException, + uno::Exception, + uno::RuntimeException ) +{ + RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::setVisualAreaSize" ); + + // begin wrapping related part ==================== + uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject; + if ( xWrappedObject.is() ) + { + // the object was converted to OOo embedded object, the current implementation is now only a wrapper + xWrappedObject->setVisualAreaSize( nAspect, aSize ); + return; + } + // end wrapping related part ==================== + + ::osl::ResettableMutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + OSL_ENSURE( nAspect != embed::Aspects::MSOLE_ICON, "For iconified objects no graphical replacement is required!\n" ); + if ( nAspect == embed::Aspects::MSOLE_ICON ) + // no representation can be retrieved + throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "Illegal call!\n" ), + uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) ); + + if ( m_nObjectState == -1 ) + throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ), + uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) ); + +#ifdef WNT + // RECOMPOSE_ON_RESIZE misc flag means that the object has to be switched to running state on resize. + // SetExtent() is called only for objects that require it, + // it should not be called for MSWord documents to workaround problem i49369 + // If cached size is not set, that means that this is the size initialization, so there is no need to set the real size + sal_Bool bAllowToSetExtent = + ( ( getStatus( nAspect ) & embed::EmbedMisc::MS_EMBED_RECOMPOSEONRESIZE ) + && !MimeConfigurationHelper::ClassIDsEqual( m_aClassID, MimeConfigurationHelper::GetSequenceClassID( 0x00020906L, 0x0000, 0x0000, + 0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46 ) ) + && m_bHasCachedSize ); + + if ( m_nObjectState == embed::EmbedStates::LOADED && bAllowToSetExtent ) + { + aGuard.clear(); + try { + changeState( embed::EmbedStates::RUNNING ); + } + catch( uno::Exception& ) + { + OSL_ENSURE( sal_False, "The object should not be resized without activation!\n" ); + } + aGuard.reset(); + } + + if ( m_pOleComponent && m_nObjectState != embed::EmbedStates::LOADED && bAllowToSetExtent ) + { + awt::Size aSizeToSet = aSize; + aGuard.clear(); + try { + m_pOleComponent->SetExtent( aSizeToSet, nAspect ); // will throw an exception in case of failure + m_bHasSizeToSet = sal_False; + } + catch( uno::Exception& ) + { + // some objects do not allow to set the size even in running state + m_bHasSizeToSet = sal_True; + m_aSizeToSet = aSizeToSet; + m_nAspectToSet = nAspect; + } + aGuard.reset(); + } +#endif + + // cache the values + m_bHasCachedSize = sal_True; + m_aCachedSize = aSize; + m_nCachedAspect = nAspect; +} + +awt::Size SAL_CALL OleEmbeddedObject::getVisualAreaSize( sal_Int64 nAspect ) + throw ( lang::IllegalArgumentException, + embed::WrongStateException, + uno::Exception, + uno::RuntimeException ) +{ + RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::getVisualAreaSize" ); + + // begin wrapping related part ==================== + uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject; + if ( xWrappedObject.is() ) + { + // the object was converted to OOo embedded object, the current implementation is now only a wrapper + return xWrappedObject->getVisualAreaSize( nAspect ); + } + // end wrapping related part ==================== + + ::osl::ResettableMutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + OSL_ENSURE( nAspect != embed::Aspects::MSOLE_ICON, "For iconified objects no graphical replacement is required!\n" ); + if ( nAspect == embed::Aspects::MSOLE_ICON ) + // no representation can be retrieved + throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "Illegal call!\n" ), + uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) ); + + if ( m_nObjectState == -1 ) + throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ), + uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) ); + + awt::Size aResult; + +#ifdef WNT + // TODO/LATER: Support different aspects + if ( m_pOleComponent && !m_bHasSizeToSet && nAspect == embed::Aspects::MSOLE_CONTENT ) + { + try + { + // the cached size updated every time the object is stored + if ( m_bHasCachedSize ) + { + aResult = m_aCachedSize; + } + else + { + // there is no internal cache + awt::Size aSize; + aGuard.clear(); + + sal_Bool bSuccess = sal_False; + if ( getCurrentState() == embed::EmbedStates::LOADED ) + { + OSL_ENSURE( sal_False, "Loaded object has no cached size!\n" ); + + // try to switch the object to RUNNING state and request the value again + try { + changeState( embed::EmbedStates::RUNNING ); + } + catch( uno::Exception ) + { + throw embed::NoVisualAreaSizeException( + ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "No size available!\n" ) ), + uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) ); + } + } + + try + { + // first try to get size using replacement image + aSize = m_pOleComponent->GetExtent( nAspect ); // will throw an exception in case of failure + bSuccess = sal_True; + } + catch( uno::Exception& ) + { + } + + if ( !bSuccess ) + { + try + { + // second try the cached replacement image + aSize = m_pOleComponent->GetCachedExtent( nAspect ); // will throw an exception in case of failure + bSuccess = sal_True; + } + catch( uno::Exception& ) + { + } + } + + if ( !bSuccess ) + { + try + { + // third try the size reported by the object + aSize = m_pOleComponent->GetReccomendedExtent( nAspect ); // will throw an exception in case of failure + bSuccess = sal_True; + } + catch( uno::Exception& ) + { + } + } + + if ( !bSuccess ) + throw embed::NoVisualAreaSizeException( + ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "No size available!\n" ) ), + uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) ); + + aGuard.reset(); + + m_aCachedSize = aSize; + m_nCachedAspect = nAspect; + m_bHasCachedSize = sal_True; + + aResult = m_aCachedSize; + } + } + catch ( embed::NoVisualAreaSizeException& ) + { + throw; + } + catch ( uno::Exception& ) + { + throw embed::NoVisualAreaSizeException( + ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "No size available!\n" ) ), + uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) ); + } + } + else +#endif + { + // return cached value + if ( m_bHasCachedSize ) + { + OSL_ENSURE( nAspect == m_nCachedAspect, "Unexpected aspect is requested!\n" ); + aResult = m_aCachedSize; + } + else + { + throw embed::NoVisualAreaSizeException( + ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "No size available!\n" ) ), + uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) ); + } + } + + return aResult; +} + +embed::VisualRepresentation SAL_CALL OleEmbeddedObject::getPreferredVisualRepresentation( sal_Int64 nAspect ) + throw ( lang::IllegalArgumentException, + embed::WrongStateException, + uno::Exception, + uno::RuntimeException ) +{ + RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObject::getPreferredVisualRepresentation" ); + + // begin wrapping related part ==================== + uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject; + if ( xWrappedObject.is() ) + { + // the object was converted to OOo embedded object, the current implementation is now only a wrapper + return xWrappedObject->getPreferredVisualRepresentation( nAspect ); + } + // end wrapping related part ==================== + + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + OSL_ENSURE( nAspect != embed::Aspects::MSOLE_ICON, "For iconified objects no graphical replacement is required!\n" ); + if ( nAspect == embed::Aspects::MSOLE_ICON ) + // no representation can be retrieved + throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "Illegal call!\n" ), + uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) ); + + // TODO: if the object has cached representation then it should be returned + // TODO: if the object has no cached representation and is in loaded state it should switch itself to the running state + if ( m_nObjectState == -1 ) + throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ), + uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) ); + + embed::VisualRepresentation aVisualRepr; + + // TODO: in case of different aspects they must be applied to the mediatype and XTransferable must be used + // the cache is used only as a fallback if object is not in loaded state + if ( !m_xCachedVisualRepresentation.is() && ( !m_bVisReplInitialized || m_bVisReplInStream ) + && m_nObjectState == embed::EmbedStates::LOADED ) + { + m_xCachedVisualRepresentation = TryToRetrieveCachedVisualRepresentation_Impl( m_xObjectStream, sal_True ); + SetVisReplInStream( m_xCachedVisualRepresentation.is() ); + } + + if ( m_xCachedVisualRepresentation.is() ) + { + return GetVisualRepresentationInNativeFormat_Impl( m_xCachedVisualRepresentation ); + } +#ifdef WNT + else if ( m_pOleComponent ) + { + try + { + if ( m_nObjectState == embed::EmbedStates::LOADED ) + changeState( embed::EmbedStates::RUNNING ); + + datatransfer::DataFlavor aDataFlavor( + ::rtl::OUString::createFromAscii( "application/x-openoffice-wmf;windows_formatname=\"Image WMF\"" ), + ::rtl::OUString::createFromAscii( "Windows Metafile" ), + ::getCppuType( (const uno::Sequence< sal_Int8 >*) NULL ) ); + + aVisualRepr.Data = m_pOleComponent->getTransferData( aDataFlavor ); + aVisualRepr.Flavor = aDataFlavor; + + uno::Sequence< sal_Int8 > aVisReplSeq; + aVisualRepr.Data >>= aVisReplSeq; + if ( aVisReplSeq.getLength() ) + { + m_xCachedVisualRepresentation = GetNewFilledTempStream_Impl( + uno::Reference< io::XInputStream > ( static_cast< io::XInputStream* > ( + new ::comphelper::SequenceInputStream( aVisReplSeq ) ) ) ); + } + + return aVisualRepr; + } + catch( uno::Exception& ) + {} + } +#endif + + // the cache is used only as a fallback if object is not in loaded state + if ( !m_xCachedVisualRepresentation.is() && ( !m_bVisReplInitialized || m_bVisReplInStream ) ) + { + m_xCachedVisualRepresentation = TryToRetrieveCachedVisualRepresentation_Impl( m_xObjectStream ); + SetVisReplInStream( m_xCachedVisualRepresentation.is() ); + } + + if ( !m_xCachedVisualRepresentation.is() ) + { + // no representation can be retrieved + throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "Illegal call!\n" ), + uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) ); + } + + return GetVisualRepresentationInNativeFormat_Impl( m_xCachedVisualRepresentation ); +} + +sal_Int32 SAL_CALL OleEmbeddedObject::getMapUnit( sal_Int64 nAspect ) + throw ( uno::Exception, + uno::RuntimeException) +{ + // begin wrapping related part ==================== + uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject; + if ( xWrappedObject.is() ) + { + // the object was converted to OOo embedded object, the current implementation is now only a wrapper + return xWrappedObject->getMapUnit( nAspect ); + } + // end wrapping related part ==================== + + ::osl::MutexGuard aGuard( m_aMutex ); + if ( m_bDisposed ) + throw lang::DisposedException(); // TODO + + OSL_ENSURE( nAspect != embed::Aspects::MSOLE_ICON, "For iconified objects no graphical replacement is required!\n" ); + if ( nAspect == embed::Aspects::MSOLE_ICON ) + // no representation can be retrieved + throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "Illegal call!\n" ), + uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) ); + + if ( m_nObjectState == -1 ) + throw embed::WrongStateException( ::rtl::OUString::createFromAscii( "The object is not loaded!\n" ), + uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ) ); + + return embed::EmbedMapUnits::ONE_100TH_MM; +} + + |